565555452 has 108 divisors (see below), whose sum is σ = 1687530600. Its totient is φ = 146879040.

The previous prime is 565555447. The next prime is 565555453. The reversal of 565555452 is 254555565.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565555453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67174 + ... + 75122.

Almost surely, 2^565555452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565555452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843765300).

565555452 is an abundant number, since it is smaller than the sum of its proper divisors (1121975148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565555452 is a wasteful number, since it uses less digits than its factorization.

565555452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992 (or 7972 counting only the distinct ones).

The product of its digits is 750000, while the sum is 42.

The square root of 565555452 is about 23781.4097984119. The cubic root of 565555452 is about 826.9737630135.

The spelling of 565555452 in words is "five hundred sixty-five million, five hundred fifty-five thousand, four hundred fifty-two".